• Once exterminated from the Rockies, the grey wolf is back in growing numbers so that it can once... [Photo of the day - January 2017]
    Once exterminated from the Rockies, the grey wolf is back in growing numbers so that it can once again dominate the food chain of the mountains. This image is from Wild 24.
    iStock
  • President Kennedy gives a speech to a gathered crowd in front of the Texas Hotel, Fort Worth,... [Photo of the day - January 2017]
    President Kennedy gives a speech to a gathered crowd in front of the Texas Hotel, Fort Worth, November 22, 1963. The Amon Carter students can be seen in the front row on the President's right in rain bonnets. This image is from JFK: The Final Hour.
    JFK Library/Cecil Stoughton
  • President Barack Obama swims above the colourful corals of Midway Atoll. The turning point of... [Photo of the day - January 2017]
    President Barack Obama swims above the colourful corals of Midway Atoll. The turning point of World War II and now the turning point in America's path to protect the oceans. President Obama met with Dr. Sylvia Earle on Midway Atoll to expand Papahanaumokuakea National Monument to the full extent of American borders - from 50 to 200 miles. This image is from Sea of Hope: America's Underwater Treasures.
    Brian Skerry
  • Ronald Reagan Official White House Portrait, 1981. This image is from Reagan: The Assassination... [Photo of the day - January 2017]
    Ronald Reagan Official White House Portrait, 1981. This image is from Reagan: The Assassination Attempt.
    White House
  • A marine iguana swims back to land.  This image is from Wild Galapagos. [Photo of the day - January 2017]
    A marine iguana swims back to land. This image is from Wild Galapagos.
    Manu San Felix
  • Africa: Defenceless giraffe may seem like easy prey, but a full grown giraffe can easily kill a... [Photo of the day - January 2017]
    Africa: Defenceless giraffe may seem like easy prey, but a full grown giraffe can easily kill a lion with a single kick. This image is from Wild 24.
    IStock.com
  • Ontario:  Re-enactment: Investigator (played by Dmitry Chepovetsky) picks up an actuator for a... [Photo of the day - January 2017]
    Ontario: Re-enactment: Investigator (played by Dmitry Chepovetsky) picks up an actuator for a closer look. This image is from Air Crash Investigation.
    Cineflix/Steven Lungley
  • Dr. Eric Hoffmayer, Research Fishery Biologist free dives deep underneath a pair of Whale Sharks... [Photo of the day - January 2017]
    Dr. Eric Hoffmayer, Research Fishery Biologist free dives deep underneath a pair of Whale Sharks near Ewing Bank in the Gulf of Mexico. Eric is studying the whale sharks in the Gulf of Maine by taking photographs of their spot patterns, collecting skin samples, and collecting tunny egg samples in the water column. Whale shark spot patterns are like fingerprints, each are unique to the whale sharks. This image is from Sea of Hope: America's Underwater Treasures.
    Bryce Groark
  • Richmond, VA.: James "Coop" Cooper cries talking about life in prison. This image is from... [Photo of the day - January 2017]
    Richmond, VA.: James "Coop" Cooper cries talking about life in prison. This image is from Explorer 2.0.
    NG Studios
  • The red fox can hunt through snow like few other animals, tracking rodents by scent and diving... [Photo of the day - January 2017]
    The red fox can hunt through snow like few other animals, tracking rodents by scent and diving head-first into snowpack to capture them. This image is from Wild 24.
    iStock
  • Lititz, Pa: Michael Twitty - Author/Scholar/Historian. This image is from Rise Up: The Legacy of... [Photo of the day - January 2017]
    Lititz, Pa: Michael Twitty - Author/Scholar/Historian. This image is from Rise Up: The Legacy of Nat Turner.
    National Geographic Channels/ Jami Schulz
  • Tim Matheson (as Ronald Reagan) in Killing Reagan.  This image is from Killing Reagan. [Photo of the day - January 2017]
    Tim Matheson (as Ronald Reagan) in Killing Reagan. This image is from Killing Reagan.
    National Geographic Channels/ Hopper Stone, SMPSP
  • A Galapagos Sea Turtle swims in the open water. This image is from Wild Galapagos. [Photo of the day - January 2017]
    A Galapagos Sea Turtle swims in the open water. This image is from Wild Galapagos.
    Keke Ballesteros
  • Borneo: Paradise tree snake. This image is from Borneo's Secret Kingdom. [Photo of the day - January 2017]
    Borneo: Paradise tree snake. This image is from Borneo's Secret Kingdom.
    WildBear Entertainment/Thoralf Grospitz/ Jens Westphalen
  • Love Field, Dallas, Texas: President Kennedy wades into a crowd of well-wishers and supporters... [Photo of the day - January 2017]
    Love Field, Dallas, Texas: President Kennedy wades into a crowd of well-wishers and supporters after a parking lot speech at the Texas Hotel in Fort Worth, the morning of November 22, 1963. The Amon Carter students stand right in front of JFK, while he is shaking hands. This image is from JFK: The Final Hour.
    JFK Library/Cecil Stoughton
  • This image is from Gender Revolution: A Journey with Katie Couric. [Photo of the day - January 2017]
    This image is from Gender Revolution: A Journey with Katie Couric.
    National Geographic/Chris Wrobleski
  • Africa: Cheetah are the lithe fast attack model of the cat dynasty. Siblings will work together... [Photo of the day - January 2017]
    Africa: Cheetah are the lithe fast attack model of the cat dynasty. Siblings will work together to bring down prey. This image is from Wild 24.
    IStock.com
  • Islamabad: A Pakistani man at a market in Islamabad. This image is from Explorer 2.0. [Photo of the day - January 2017]
    Islamabad: A Pakistani man at a market in Islamabad. This image is from Explorer 2.0.
    NG Studios/J.J. Kelley
  • Malaysia: Baby orangutan holding stick in mouth. This image is from Borneo's Secret Kingdom. [Photo of the day - January 2017]
    Malaysia: Baby orangutan holding stick in mouth. This image is from Borneo's Secret Kingdom.
    National Geographic Channels/Thoralf Grospitz and Jens Westphalen
  • Sting ray deep beneath one of the world's best surf spots, Cortes Bank. Cortes is like a washing... [Photo of the day - January 2017]
    Sting ray deep beneath one of the world's best surf spots, Cortes Bank. Cortes is like a washing machine of currents that whips the beautiful kelp forest (and it's inhabitants) around. This image is from Sea of Hope: America's Underwater Treasures.
    Brian Skerry
  • Borneo: Otter, facing camera, eating fish. This image is from Borneo's Secret Kingdom. [Photo of the day - January 2017]
    Borneo: Otter, facing camera, eating fish. This image is from Borneo's Secret Kingdom.
    WildBear Entertainment/Thoralf Grospitz/ Jens Westphalen
  • Re-creation:  Tom Haueter (played by Danny Deakin) looks over the notes the investigators have... [Photo of the day - January 2017]
    Re-creation: Tom Haueter (played by Danny Deakin) looks over the notes the investigators have been keeping on the blackboard while another investigator (played by a background performer) looks over photos of the wreckage. This image is from Air Crash Investigation.
    Cineflix/Ian Watson
  • Explorer host Richard Bacon. This image is from Explorer 2.0. [Photo of the day - January 2017]
    Explorer host Richard Bacon. This image is from Explorer 2.0.
    National Geographic/Scott Gries
  • The delicate orchid mantis is a merciless hunter in a beautiful disguise. This image is from... [Photo of the day - January 2017]
    The delicate orchid mantis is a merciless hunter in a beautiful disguise. This image is from Wild 24.
    iStock